Hardened teeth on the smaller sprocket of a roller chain drive are recommended if the drive ratio is four to one or greater or if the smaller sprocket has 24 teeth or less and is running at a speed of over 600 rpm.
features
Hardened teeth sprockets afford longer chain and sprocket life
Tolerances meet or exceed ANSI standards
Manufactured of high carbon steel
Precise machining and processes ensure consistent finish and high quality
Chain rows are parallel and precisely spaced to increase longevity of sprocket and chain
Bores are concentric to pitch line, minimizing run out
Interchangeable with other manufacturers’ QD bushings
Stocked Heat Treat
Overall Length Less Threads
N/A
Bushing Bore Size [Max]
3.313 in
O.D.
7.839 in
Bore Size [Min]
0.875 in
Chain No.
100
Outside Dia.
7.839 in
No. of Teeth
18
Martin No.
100E18H
Outside Dia. [Min]
7.8390 in
Tooth Width
0.692 in
Material Internal Use
Carbon Steel
Chain Sprocket Number
100
Hardened Teeth
With Hardened Teeth
Chain Sprocket Pitch
1.25 in
Hub Length
0.94 in
Bushing Bore [Max]
3 1/2 in
Bushing Type
QD
Caliper Diameter
6.4485 in
Type
B
Single Strand Tooth Thickness
0.692 in
Length Through Bore
1.625 in
Construction Internal
Solid
Hub Projection
0.94 in
Overall Length
1 5/8 in
Bore Type
Bushed
Width Across Teeth
0.692 in
Bushing Series
E
Bushing Bore [Min]
0.875 in
Hub O.D.
6.25 in
Pitch Dia.
7.199 in
No. of Strands Across
1
Material
Steel
Bore Size [Max]
3.313 in
Hub Dia.
6.24 in
Inch/Metric
Inch
Screw Size
1/2-13 NC
Sprocket Style
B
Chain Pitch
1.250 in
Bushing Bore Size [Min]
0.875 in
No. of Teeth Rows Strands
1
Material External Use
Steel
Pitch Diameter
7.199 in
Weight
8.88 LB
EAN or UPC
697950042367
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